How to I learn what I or my hosting service did wrong?
This is the message I got
This is a notice that your application, — is no longer allowed to perform write operations.
Please make sure that your application follows Twitter’s API Terms of Service
To request that your application be re-enabled for write operations, please visit our support form.
While this restriction is still in place, please do not attempt to register a new API key for your application without authorization from Twitter. Such an action is a violation of our API Terms of Service and may result in the permanent suspension of your application (as well as any associated developer accounts).